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from dataclasses import dataclass
from apischema.json_schema import deserialization_schema, serialization_schema
from apischema.tagged_unions import Tagged, TaggedUnion
@dataclass
class Bar:
field: str
class Foo(TaggedUnion):
bar: Tagged[Bar]
baz: Tagged[int]
assert (
deserialization_schema(Foo)
== serialization_schema(Foo)
== {
"$schema": "http://json-schema.org/draft/2020-12/schema#",
"type": "object",
"properties": {
"bar": {
"type": "object",
"properties": {"field": {"type": "string"}},
"required": ["field"],
"additionalProperties": False,
},
"baz": {"type": "integer"},
},
"additionalProperties": False,
"minProperties": 1,
"maxProperties": 1,
}
)
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